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今天就跟大家聊聊有关 TinyOS无线传感器网络串口通信和无线通信是怎样的,可能很多人都不太了解,为了让大家更加了解,小编给大家总结了以下内容,希望大家根据这篇文章可以有所收获。
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我作为TinyOS入门新手,在学习串口通信和无线通信时遇到不少问题。下面主要是给出一个自己写的示例程序。无线传感器节点收到其他节点的数据通过串口发送给PC,PC通过串口发送指令到节点,节点再通过无线广播PC发送的指令。
项目包含3个文件:Makefile、SerialC.nc、SerialAppC.nc。
COMPONENT=SerialAppC include $(MAKERULES)
configuration SerialAppC { } implementation { components MainC, SerialC, LedsC, ActiveMessageC; components PlatformSerialC; components SerialC as App; components new TimerMilliC() as Timer0; components new AMSenderC(6); components new AMReceiverC(6); App -> MainC.Boot; App.Leds -> LedsC; App.Timer0->Timer0; App.StdControl->PlatformSerialC.StdControl; App.UartStream->PlatformSerialC.UartStream; App.RadioSend -> AMSenderC; App.RadioPacket -> AMSenderC; App.RadioAMPacket -> AMSenderC; App.RadioControl -> ActiveMessageC; App.RadioReceive -> AMReceiverC; }
module SerialC { uses interface Leds; uses interface Boot; uses interface Timeras Timer0; uses interface Packet as RadioPacket; uses interface AMPacket as RadioAMPacket; uses interface AMSend as RadioSend; uses interface Receive as RadioReceive; uses interface SplitControl as RadioControl; uses interface StdControl; uses interface UartStream; } implementation { uint32_t count=0; uint8_t buff[2]; bool radiobusy=FALSE; bool serialbusy=FALSE; message_t pkt; typedef nx_struct RadioMsg { nx_uint16_t nodeid; nx_uint16_t count; }RadioMsg; void setLeds(uint16_t val) { if (val & 0x01) call Leds.led0On(); else call Leds.led0Off(); if (val & 0x02) call Leds.led1On(); else call Leds.led1Off(); if (val & 0x04) call Leds.led2On(); else call Leds.led2Off(); } event void Boot.booted() { call RadioControl.start(); call StdControl.start(); } event void Timer0.fired(){} async event void UartStream.sendDone(uint8_t *buf,uint16_t len,error_t error) { serialbusy=FALSE; } async event void UartStream.receivedByte(uint8_t byte) { call Leds.led2Toggle(); setLeds(byte); if(!radiobusy) { RadioMsg* btrpkt=(RadioMsg*)(call RadioPacket.getPayload(&pkt,sizeof(RadioMsg))); btrpkt->nodeid=TOS_NODE_ID; btrpkt->count=byte; if(call RadioSend.send(AM_BROADCAST_ADDR,&pkt,sizeof(RadioMsg))==SUCCESS) radiobusy=TRUE; } } async event void UartStream.receiveDone(uint8_t *buf,uint16_t len,error_t error) { } event void RadioControl.startDone(error_t err) { } event void RadioControl.stopDone(error_t err) { } event void RadioSend.sendDone(message_t* msg,error_t error) { if(&pkt==msg) radiobusy=FALSE; } event message_t* RadioReceive.receive(message_t* msg,void *payload,uint8_t len) { call Leds.led1Toggle(); if(len==sizeof(RadioMsg)) { RadioMsg* btrpkt =(RadioMsg*)payload; buff[0]=btrpkt->nodeid; buff[1]=btrpkt->count; } if(!serialbusy) { serialbusy=TRUE; call UartStream.send(buff, sizeof(buff) ); } return msg; } }
看完上述内容,你们对 TinyOS无线传感器网络串口通信和无线通信是怎样的有进一步的了解吗?如果还想了解更多知识或者相关内容,请关注创新互联行业资讯频道,感谢大家的支持。